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1 byte added ,  18:18, 24 February 2015
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We have a rough preliminary measurement, showing that VNC server + eclipse start time reduces from ~29 seconds to ~1.5.
 
We have a rough preliminary measurement, showing that VNC server + eclipse start time reduces from ~29 seconds to ~1.5.
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== Reboot-less kernel upgrade ==
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== [[Seamless kernel upgrade]] ==
    
When replacing a kernel on a box we can do it without stopping critical activity. Checkpoint it, then replace the kernel (e.g. using kexec) then restore services back. In a perfect world the applications memory shouldn't be put to disk image, but should rather be kept in RAM.
 
When replacing a kernel on a box we can do it without stopping critical activity. Checkpoint it, then replace the kernel (e.g. using kexec) then restore services back. In a perfect world the applications memory shouldn't be put to disk image, but should rather be kept in RAM.